SAN FRANCISCO — As 14-year-old Chloe Kovelesky prepares to swing, she gathers herself. The youngest player in the 76th U.S. Women’s Open field has a slight squat motion that acts as her trigger before taking the club back, then mashing 280-plus-yard drives beyond some of the LPGA Tour competitors she’s facing this week.

“It’s been there for a really long time,” Kovelesky said. “Usually when you see me hitting it bad, you’ll see that trigger move is gone. That’s when we realize, OK, got it. Just put that back.Read More